<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
      <h3>请选择你喜欢的专栏</h3>
      <label v-for="(item,index) in list" :key="index">
        <input type="checkbox" :value="item" v-model="checked" />{{item}}
      </label>
      <ul v-show="checked.length > 0">
        <li v-for="(item,index) in checked" :key="item.id">{{item}}</li>
      </ul>
    </div>
    <script src="./vue.js"></script>
    <script>
      const app = new Vue({
        el: '#app',
        data: {
          checked: [],
          list: ['科幻', '喜剧', '动漫', '冒险', '科技', '军事', '娱乐', '奇闻']
        }
      })
    </script>
  </body>
</html>
